Home / 710,631.20-1,065,793.20-311,271.20

Finding the Fourth Proportional to 710,631.20, 1,065,793.20 and 311,271.20

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Solution

The fourth proportional to 710,631.20, 1,065,793.20 and 311,271.20 is: 466,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,631.20 : 1,065,793.20 = 311,271.20 : x
  2. Step 2: Convert to fraction form
    710,631.20/1,065,793.20 = 311,271.20/x
  3. Step 3: Cross multiply
    710,631.20x = 1,065,793.20 × 311,271.20
  4. Step 4: Simplify right side
    710,631.20x = 331,750,728,315.84
  5. Step 5: Solve for x
    x = 331,750,728,315.84/710,631.20
  6. Step 6: Final answer
    x = 466,839.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.